Ahhhhhhh, yes... Screw holes, just get some matt, shred it, whip it up in some resin, Csink the holes real good and pack her full, put tape/paper under the holes to catch the resin when it oooozes down...
Mix the shredded glass into a paste with the resin... Wet the Csink'd holes with resin with a small throw away brush....Pack em full of thoroughly wetted fibers...
Grind it smooth and mix up some gel touch up from west marine or some other boat shop... Ezzzzzz deal... Seal it with the gel after the first part is ground smooth and cleaned with acetone, to make it water proof (the glass/resin can absorb/wick water into the glass fibers)...
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